﻿#include<iostream>
using namespace std;


int main()
{
	int n;
	cin >> n;
	int ans = 0;
	for (int i = 1; i * i <= n; i++)
	{
		if (n % i == 0)ans += 2;
		if (i * i == n)ans--;
	}
	cout << ans;
	return 0;
}